package com.sky.aspect;


import com.sky.annotation.Autofill;
import com.sky.constant.AutoFillConstant;
import com.sky.context.BaseContext;
import com.sky.enumeration.OperationType;
import lombok.extern.slf4j.Slf4j;
import org.apache.poi.hssf.record.DVALRecord;
import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;
import org.aspectj.lang.annotation.Pointcut;
import org.aspectj.lang.reflect.MethodSignature;
import org.springframework.stereotype.Component;

import java.lang.reflect.Method;
import java.time.LocalDateTime;

@Aspect
@Component
@Slf4j
public class AuotoFillAspect {
    @Pointcut("execution(* com.sky.mapper.*.*(..)) && @annotation(com.sky.annotation.Autofill)")
    public void autoFillPoinCut() {

    }
    @Before("autoFillPoinCut()")
    public void autoFill(JoinPoint joinPoint)  {
        log.info("开始公共字段填充");
        MethodSignature signature = (MethodSignature) joinPoint.getSignature();
        Autofill autofill = signature.getMethod().getAnnotation(Autofill.class);
        OperationType operationType = autofill.value();

        Object[] args = joinPoint.getArgs();
        if(args==null||args.length==0){
            return;
        }
        Object entity = args[0];
        LocalDateTime now = LocalDateTime.now();
        Long currentId = BaseContext.getCurrentId();

        if(operationType==OperationType.INSERT){

            try {
              Method setCreateTime  = entity.getClass().getDeclaredMethod(AutoFillConstant.SET_CREATE_TIME,LocalDateTime.class);
              Method setCreateUser =  entity.getClass().getDeclaredMethod(AutoFillConstant.SET_CREATE_USER,Long.class);
              Method setUpdateTime = entity.getClass().getDeclaredMethod(AutoFillConstant.SET_UPDATE_TIME, LocalDateTime.class);
              Method setUpdateUser =  entity.getClass().getDeclaredMethod(AutoFillConstant.SET_UPDATE_USER,Long.class);
              setCreateTime.invoke(entity,now);
              setCreateUser.invoke(entity,currentId);
              setUpdateTime.invoke(entity,now);
              setUpdateUser.invoke(entity,currentId);
            } catch (Exception e) {
               e.printStackTrace();
            }



        }else if(operationType==OperationType.UPDATE){
            try {

                Method setUpdateTime = entity.getClass().getDeclaredMethod(AutoFillConstant.SET_UPDATE_TIME, LocalDateTime.class);
                Method setUpdateUser =  entity.getClass().getDeclaredMethod(AutoFillConstant.SET_UPDATE_USER,Long.class);

                setUpdateTime.invoke(entity,now);
                setUpdateUser.invoke(entity,currentId);
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
    }

}
